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Bryan Steam, LLC
www.bryanboilers.com
Phone: 765-473-6651
783 N Chili Ave, Peru, IN 46970 [email protected]
Appendix E: Boiler Piping Diagrams
Figure 25: Single Boiler, Primary / Secondary
4D Max
Inlet/Return
Air Vent
Purge Valve
System Circulator
Outlet/Supply
Makeup Water
Check Valve
Pressure Reducing Valve
Expansion Tank
Isolation Valve
Boiler Circulator
Check Valve
Y-Strainer
1000 model shown.
Inlet/Outlet Connections
are different on the 1500-
6000 models.
4D Max
Inlet/Return
Air Vent
Purge Valve
System Circulator
Outlet/Supply
Makeup Water
Check Valve
Pressure Reducing Valve
Expansion Tank
Isolation Valve
Boiler Circulator
Check Valve
Y-Strainer
1500-3000 model shown.
Inlet/Outlet Connections
are similar on the 3500-
6000 models.
NOTICE
1. These are suggested piping configurations.
It is the installer's responsibility to conform
to local codes and ordinances for additional
requirements.
2. Pressure relief valve rating shall not exceed
pressure rating of any component in the system.
3. Some piping components cannot be supported
by the pipping. Refer to the manufactures'
installation instructions.
4. Circulation pump must be sized to overcome the
pressure drop across the entire loop.